#include"BaseCacu.h"
#include"Caculation.h"
#include"MODE.h"

int main() {
	int code = 0;
	Explain();
	for (;;) {
		cout << "\n\nPlease enter your choice:___\b\b"; cin >> code;
		switch (code)
		{
		case 1:ModeOne(); break;
		case 2:ModeTwo(); break;
		case 3:ModeThree(); break;
		case 4:return 0;
		default:cout << "Illegal code!\n";break;
		}
	}
	
}